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  <section id="findsdl-net">
<span id="module:FindSDL_net"></span><h1>FindSDL_net<a class="headerlink" href="#findsdl-net" title="Link to this heading">¶</a></h1>
<p>Finds the SDL_net library, a cross-platform network library for use with the
SDL (Simple DirectMedia Layer) applications.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This module is specifically intended for SDL_net version 1.  Starting with
version 2.1, SDL_net provides a CMake package configuration file when built
with CMake and should be found using <code class="docutils literal notranslate"><span class="pre">find_package(SDL2_net)</span></code>.  These
newer versions provide <a class="reference internal" href="../manual/cmake-buildsystem.7.html#imported-targets"><span class="std std-ref">Imported Targets</span></a> that encapsulate usage
requirements.  Refer to the official SDL documentation for more information.</p>
</div>
<section id="result-variables">
<h2>Result Variables<a class="headerlink" href="#result-variables" title="Link to this heading">¶</a></h2>
<p>This module defines the following variables:</p>
<dl class="simple">
<dt><code class="docutils literal notranslate"><span class="pre">SDL_net_FOUND</span></code></dt><dd><p>Boolean indicating whether the (requested version of) SDL_net library is
found.  For backward compatibility, the <code class="docutils literal notranslate"><span class="pre">SDL_NET_FOUND</span></code> variable is also set
to the same value.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">SDL_NET_VERSION_STRING</span></code></dt><dd><p>The human-readable string containing the version of SDL_net found.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">SDL_NET_INCLUDE_DIRS</span></code></dt><dd><p>Include directories containing headers needed to use the SDL_net library.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">SDL_NET_LIBRARIES</span></code></dt><dd><p>Libraries needed to link against to use the SDL_net library.</p>
</dd>
</dl>
</section>
<section id="deprecated-variables">
<h2>Deprecated Variables<a class="headerlink" href="#deprecated-variables" title="Link to this heading">¶</a></h2>
<p>For backward compatibility the following variables are also set:</p>
<dl>
<dt><code class="docutils literal notranslate"><span class="pre">SDLNET_FOUND</span></code></dt><dd><div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 2.8.10: </span>Use the <code class="docutils literal notranslate"><span class="pre">SDL_net_FOUND</span></code>, which has the same value.</p>
</div>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">SDLNET_INCLUDE_DIR</span></code></dt><dd><div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 2.8.10: </span>Use the <code class="docutils literal notranslate"><span class="pre">SDL_NET_INCLUDE_DIRS</span></code>, which has the same value.</p>
</div>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">SDLNET_LIBRARY</span></code></dt><dd><div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 2.8.10: </span>Use the <code class="docutils literal notranslate"><span class="pre">SDL_NET_LIBRARIES</span></code>, which has the same value.</p>
</div>
</dd>
</dl>
</section>
<section id="hints">
<h2>Hints<a class="headerlink" href="#hints" title="Link to this heading">¶</a></h2>
<p>This module accepts the following variables:</p>
<dl class="simple">
<dt><code class="docutils literal notranslate"><span class="pre">SDLDIR</span></code></dt><dd><p>Environment variable that can be set to help locate an SDL library installed
in a custom location.  It should point to the installation destination that
was used when configuring, building, and installing SDL library:
<code class="docutils literal notranslate"><span class="pre">./configure</span> <span class="pre">--prefix=$SDLDIR</span></code>.</p>
</dd>
</dl>
</section>
<section id="examples">
<h2>Examples<a class="headerlink" href="#examples" title="Link to this heading">¶</a></h2>
<p>Finding SDL_net library and creating an imported interface target for linking it
to a project target:</p>
<div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">find_package(</span><span class="nb">SDL_net</span><span class="nf">)</span>

<span class="nf">if(</span><span class="nb">SDL_net_FOUND</span><span class="w"> </span><span class="no">AND</span><span class="w"> </span><span class="no">NOT</span><span class="w"> </span><span class="no">TARGET</span><span class="w"> </span><span class="no">SDL</span><span class="o">::</span><span class="nb">SDL_net</span><span class="nf">)</span>
<span class="w">  </span><span class="nf">add_library(</span><span class="no">SDL</span><span class="o">::</span><span class="nb">SDL_net</span><span class="w"> </span><span class="no">INTERFACE</span><span class="w"> </span><span class="no">IMPORTED</span><span class="nf">)</span>
<span class="w">  </span><span class="nf">set_target_properties(</span>
<span class="w">    </span><span class="no">SDL</span><span class="o">::</span><span class="nb">SDL_net</span>
<span class="w">    </span><span class="no">PROPERTIES</span>
<span class="w">      </span><span class="no">INTERFACE_INCLUDE_DIRECTORIES</span><span class="w"> </span><span class="s">&quot;${SDL_NET_INCLUDE_DIRS}&quot;</span>
<span class="w">      </span><span class="no">INTERFACE_LINK_LIBRARIES</span><span class="w"> </span><span class="s">&quot;${SDL_NET_LIBRARIES}&quot;</span>
<span class="w">  </span><span class="nf">)</span>
<span class="nf">endif()</span>

<span class="nf">target_link_libraries(</span><span class="nb">project_target</span><span class="w"> </span><span class="no">PRIVATE</span><span class="w"> </span><span class="no">SDL</span><span class="o">::</span><span class="nb">SDL_net</span><span class="nf">)</span>
</pre></div>
</div>
<p>When working with SDL_net version 2, the upstream package provides the
<code class="docutils literal notranslate"><span class="pre">SDL2_net::SDL2_net</span></code> imported target directly.  It can be used in a project
without using this module:</p>
<div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">find_package(</span><span class="nb">SDL2_net</span><span class="nf">)</span>
<span class="nf">target_link_libraries(</span><span class="nb">project_target</span><span class="w"> </span><span class="no">PRIVATE</span><span class="w"> </span><span class="nb">SDL2_net</span><span class="o">::</span><span class="nb">SDL2_net</span><span class="nf">)</span>
</pre></div>
</div>
</section>
<section id="see-also">
<h2>See Also<a class="headerlink" href="#see-also" title="Link to this heading">¶</a></h2>
<ul class="simple">
<li><p>The <span class="target" id="index-0-module:FindSDL"></span><a class="reference internal" href="FindSDL.html#module:FindSDL" title="FindSDL"><code class="xref cmake cmake-module docutils literal notranslate"><span class="pre">FindSDL</span></code></a> module to find the main SDL library.</p></li>
</ul>
</section>
</section>


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    <h3>Table of Contents</h3>
    <ul>
<li><a class="reference internal" href="#">FindSDL_net</a><ul>
<li><a class="reference internal" href="#result-variables">Result Variables</a></li>
<li><a class="reference internal" href="#deprecated-variables">Deprecated Variables</a></li>
<li><a class="reference internal" href="#hints">Hints</a></li>
<li><a class="reference internal" href="#examples">Examples</a></li>
<li><a class="reference internal" href="#see-also">See Also</a></li>
</ul>
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</ul>

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